87 lines
2.4 KiB
Bash
Executable file
87 lines
2.4 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -eu;
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##
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## check input
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##
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BUILDCTL_CONTEXT=${PLUGIN_CONTEXT:-$(pwd)}
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BUILDCTL_DOCKERFILE=$(dirname "${PLUGIN_DOCKERFILE:-$BUILDCTL_CONTEXT/Dockerfile}")
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if [[ ! -f $BUILDCTL_DOCKERFILE/Dockerfile ]]; then
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echo "Dockerfile $BUILDCTL_DOCKERFILE/Dockerfile not found!"
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exit 1
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fi
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BUILDCTL_FRONTEND=${PLUGIN_FRONTEND:-dockerfile.v0}
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if [[ "$BUILDCTL_FRONTEND" != "dockerfile.v0" ]]; then
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echo "Only frontend 'dockerfile.v0' testet and supported yet."
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exit 1
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fi
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SOURCE_DATE_EPOCH=${PLUGIN_SOURCE_DATE_EPOCH:-0}
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if [[ -n "${PLUGIN_AUTH:-}" ]]; then
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echo "$PLUGIN_AUTH" | jq -r 'to_entries|map({(.key):{"auth":(.value.username+":"+.value.password)|@base64}})|add|{"auths":.}' > "$HOME/.docker/config.json"
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echo "Stored credentials at $HOME/.docker/config.json"
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echo
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fi
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##
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## build command
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##
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COMMAND="buildctl"
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COMMAND="$COMMAND build"
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if [[ -n "${PLUGIN_ADDR:-}" ]]; then
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COMMAND="$COMMAND --addr $PLUGIN_ADDR"
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fi
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COMMAND="$COMMAND --frontend $BUILDCTL_FRONTEND"
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COMMAND="$COMMAND --local context='$BUILDCTL_CONTEXT'"
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COMMAND="$COMMAND --local dockerfile='$BUILDCTL_DOCKERFILE'"
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if [[ -n "${PLUGIN_PLATFORM:-}" ]]; then
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COMMAND="$COMMAND --opt platform='$PLUGIN_PLATFORM'"
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fi
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# https://github.com/moby/buildkit/blob/master/README.md#output
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OUTPUT=""
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if [[ -n "${PLUGIN_NAME:-}" ]]; then
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OUTPUT="--output type=image"
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if [[ "$PLUGIN_NAME" =~ .*,.* ]]; then
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# https://github.com/moby/buildkit/issues/797#issuecomment-1561601104
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OUTPUT="$OUTPUT,\\\"name=$PLUGIN_NAME\\\""
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else
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OUTPUT="$OUTPUT,name=$PLUGIN_NAME"
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fi
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OUTPUT="$OUTPUT,push=true,oci-mediatypes=true,compression=estargz,compression-level=9"
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OUTPUT="$OUTPUT,rewrite-timestamp=true"
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OUTPUT="$OUTPUT$(echo "$PLUGIN_ANNOTATION" | jq --join-output 'keys[] as $k|",annotation.\($k)=\"\(.[$k])\""')"
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fi
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COMMAND="$COMMAND $OUTPUT"
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# custom args, e.g. docker run --rm --volume=$HOME:HOME:ro --workdir=$PWD kokuwaio/buildkit --opt buildarg=foo=bar
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if [[ -n "${1:-}" ]]; then
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COMMAND="$COMMAND $*"
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fi
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##
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## execute command
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##
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echo
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echo Reproduce with docker:
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echo
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echo "SOURCE_DATE_EPOCH=$SOURCE_DATE_EPOCH docker buildx build ${PLUGIN_CONTEXT:-.}"
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echo " --no-cache"
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if [[ "${PLUGIN_PLATFORM:-}" == "true" ]]; then
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echo " --platform='$PLUGIN_PLATFORM'"
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fi
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if [[ -n "${OUTPUT:-}" ]]; then
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echo " $OUTPUT"
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fi
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echo
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echo Running now:
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echo
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echo -e "SOURCE_DATE_EPOCH=$SOURCE_DATE_EPOCH ${COMMAND// --/\\n --}"
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echo
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eval "$COMMAND"
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